| Abbreviation | Definition |
|---|---|
| USCOC | United States Chamber of Commerce |
| USCOC | US Conference of Chaplains |
| USCP | United States Capitol Police |
| USCR | United States Committee for Refugees |
| USCS | United States Customs Service |
| USCSOI | United States Customs Service Office of Investigation |
| USCTP | United States Currency Tracking Project |
| USD | United States Dollars |
| USD(P&R) | Under Secretary of Defense (Personnel Readiness) |
| USD(P&R) | Under Secretary of Defense (Personnel & Readiness) |
| USDA | U.S. Department of Agriculture |
| USDA | United State Drug Agency |
| USDA | united States Despatch Agency |
| USDA | United States District Attorney |
| USDA-APHIS | U.S. Department of Agriculture Animal and Plant Health Inspection Service |
| USDA-APHIS | U.S. Department of Agriculture – Animal and Plant Health Inspection Service |
| USDAFS | United States Department of Agriculture Forest Service |
| USDC | United States Department of Commerce |
| USDC | United States District Court |
| USDD | United States Department of Defense |